Mixing apparatus



FIG. 1 is a perspective view illustrating an embodiment of a mixing apparatus according to our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view from the right thereof;

FIG. 5 is a side elevational view from the left thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a mixing apparatus, as shown and described. 